How can I repair a door closer that doesn't damp any more?

How can I repair a door closer that doesn't damp any more? Hi, I have a door closer GEZE TS 5000 and it stopped damping. Is there any way to repair it?
Asked by: Guest \| Views: 223

Total answers/comments: 2

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bert [Entry]

"oldturkey03

@oldturkey03

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bert [Entry]

"Hi,

I resolved the problem. The door was just closing too fast and slammed into its lock. With the right screw I could adjust the closing speed. In this instance it is the second screw from the right."